1) One silicone rib/spine
The new sizing standards ensures a better flow/continuity between the sizes by each going up in height by 1mm, The sizing starts at 3.5mm tall and goes to 12.5mm
The connections between spine and ribs has been doubled in thickness to be able to with stand extreme conditions
The height between the spine and the rib has been equaled out to create a more visually appealing transition
They come in different sizes
Use the drop down box to choose your size.
For the 1st gen rib please send an email to stevehaworthretailsales@gmail.com. The 1st gen style of rib is being phased out and we have limited quaintest.